WordNet: invalid

having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"

• also see illegitimate

• similar to bad, uncollectible

• similar to fallacious, unsound

• similar to false

• similar to invalidated, nullified

• similar to null, void

• similar to sophistic, sophistical

invalid

• (englanti) valid (antonym)

• (englanti) invalidity (derivationally related)

• (englanti) invalidness (derivationally related)
• (suomi) mitätön (synonyymi)

• (suomi) kelvoton (synonyymi)